Jersey weather by month & the best time to visit
Jersey · seaside town · oceanic / maritime climate
The best time to visit Jersey is July — its sunniest month (Sunshine Score 68/100), with August and September close behind. Jersey averages about 1,930 hours of sunshine a year. Daytime highs around 18°C / 64°F and roughly 47 mm of rain in July.
When is the best time to visit Jersey?
For sunshine, the best time to visit Jersey is July, then August and September. The dullest month is February (0/100, 74 mm of rain). The full month-by-month picture is in the table below.
How sunny is Jersey?
Jersey gets a moderate 1,930 hours of sunshine a year. 68 Sunshine Score points separate July (68) from February (0), so the month you pick matters. It is the only destination Sunshine Atlas tracks in Jersey. The year's 797 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 6 | 9° / 48°F | 7° / 45°F | 86 mm | 0 | 9° / 48°F |
| February | 0 | 8° / 46°F | 6° / 43°F | 74 mm | 1 | 10° / 50°F |
| March | 7 | 9° / 48°F | 7° / 45°F | 62 mm | 2 | 10° / 50°F |
| April | 20 | 11° / 52°F | 8° / 46°F | 46 mm | 4 | 11° / 52°F |
| May | 34 | 13° / 55°F | 11° / 52°F | 51 mm | 5 | 14° / 57°F |
| June | 54 | 16° / 61°F | 13° / 55°F | 47 mm | 6 | 17° / 63°F |
| July | 68 | 18° / 64°F | 15° / 59°F | 47 mm | 6 | 18° / 64°F |
| August | 67 | 18° / 64°F | 16° / 61°F | 52 mm | 5 | 19° / 66°F |
| September | 61 | 17° / 63°F | 15° / 59°F | 45 mm | 4 | 19° / 66°F |
| October | 43 | 15° / 59°F | 13° / 55°F | 88 mm | 2 | 16° / 61°F |
| November | 24 | 12° / 54°F | 10° / 50°F | 101 mm | 1 | 14° / 57°F |
| December | 12 | 10° / 50°F | 8° / 46°F | 98 mm | 0 | 11° / 52°F |
Sea temperature in Jersey by month
The sea off Jersey is warmest in August at around 19°C / 66°F, and coolest in January at 9°C / 48°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Jersey compares month by month: Jersey vs Nantes · Jersey vs Rennes · Jersey vs Caen · Jersey vs Brest · all comparisons
Jersey: questions and answers
What kind of destination is Jersey?
Jersey is a seaside town in Jersey with a oceanic / maritime climate — the sea reaches 19°C at its warmest.
How many hours of sunshine does Jersey get a year?
Jersey gets about 1,930 hours of sunshine a year, at its best around July.
When is the best time to visit Jersey?
The sunniest time to visit Jersey is July, when the Sunshine Score peaks at 68/100 (with August and September close behind). Expect daytime highs around 18°C / 64°F.
What is the least sunny month in Jersey?
February is the least sunny month in Jersey, scoring 0/100 with about 74 mm of rain.
What is the sea temperature in Jersey?
The sea in Jersey ranges from about 9°C (January) to 19°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Jersey?
The typical midday UV index in Jersey peaks around 6 (high) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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